On the economic calendar:-

10:00 Existing Home Sales (Consensus 4.70 M v Prior 4.69 M)

          Housing Market Index (Consensus 42 v Prior 41)

11:00 4 Week Bill Announcement

11:30 3 Month Bill Auction

          6 Month Bill Auction

Operation Twist:-

10:15 - 11:00 Fed Outright Treasury Coupon Purchases up to $2.25 billion